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CVE-2007-1209

19
FAUCET Score

CVE-2007-1209 describes a use-after-free vulnerability in the Client/Server Run-time Subsystem (CSRSS) of Microsoft Windows Vista. This flaw allows local users to gain elevated privileges by manipulating ApiPort connections, leading to a dangling pointer. With a CVSS score of 7.2, it is considered highly severe, enabling complete compromise of confidentiality, integrity, and availability with low attack complexity and no authentication required. There is currently no public exploit code available, nor is there evidence of active exploitation, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.69%
Probability of exploitation in next 30 days
EPSS Percentile
84.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0269 is in the 94th percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

research.eeye.com / html/advisories/published/AD20070410b.html
docs.microsoft.com / en-us/security-updates/securitybulletins/2007/ms07-021
secunia.com / advisories/24823
securityreason.com / securityalert/2531
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1524
kb.cert.org / vuls/id/219848
US Government Resource
osvdb.org / 34008
securityfocus.com / archive/1/465233/100/0/threaded
securityfocus.com / archive/1/466331/100/200/threaded
securityfocus.com / bid/23338
securitytracker.com / id
us-cert.gov / cas/techalerts/TA07-100A.html
US Government Resource
vupen.com / english/advisories/2007/1325
Vendor Advisory